/Engine/Source/Runtime/Engine/Classes/Engine/EngineBaseTypes.h
URL structure.
struct FURL
FString
Host
Optional hostname, i.e. "204.157.115.40" or "unreal.epicgames.com", blank if local.
FString
Map
Map name, i.e. "SkyCity", default is "Entry".
TArray<FString...
Op
Options.
int32
Port
Optional host port.
FString
Portal
Portal to enter through, default is "".
FString
Protocol
Protocol, i.e. "unreal" or "http".
FString
RedirectURL
Optional place to download Map if client does not possess it.
int32
Valid